Table 3. Pairwise comparison statistics for repeated measurements of EIT parameters, respiratory and hemodynamic parameters and traits (n = 20).

	Mean difference	p value	95% Confidence interval for difference
Time			Lower bound	Upper bound
GI index
T1–T2	.09*	<0.0001	0.07	0.11
T1–T3	0.07*	<0.0001	0.04	0.09
T1–T4	0.18*	<0.0001	0.16	0.2
T1–T5	0.13*	<0.0001	0.09	0.15
T2–T3	−0.21	0.06	−0.04	0.001
T2–T4	0.09*	<0.0001	0.08	0.11
T2–T5	0.04*	<0.0001	0.02	0.06
T3–T4	0.12*	<0.0001	0.09	0.14
T3–T5	0.06*	<0.0001	0.04	0.09
T4–T5	−0.05*	<0.0001	−0.07	−0.04
CoV
T1–T2	−0.89	0.99	−2.78	0.99
T1–T3	−0.06	0.99	−1.78	1.66
T1–T4	−7.02*	<0.0001	−8.45	−5.6
T1–T5	−0.34	0.99	−1.69	1.01
T2–T3	0.83	0.99	−0.81	2.47
T2–T4	−6.13*	<0.0001	−7.98	−4.29
T2–T5	0.54	0.99	−0.91	1.99
T3–T4	−6.96*	<0.0001	−8.02	−5.91
T3–T5	−0.28	0.99	−1.42	0.85
T4–T5	6.68*	<0.0001	5.46	7.9
P/F ratio
T1–T2	−18.5*	0.01	−33.84	−3.16
T1–T3	−25.2*	<0.0001	−39.91	−10.49
T1–T4	−43.05*	<0.0001	−61.14	−24.96
T1–T5	−98.3*	<0.0001	−122.25	−74.35
T2–T3	−6.7*	0.03	−13.06	−0.34
T2–T4	−24.55*	<0.0001	−32.57	−16.53
T2–T5	−79.8*	<0.0001	−100.67	−58.93
T3–T4	−17.85*	<0.0001	−26.81	−8.89
T3–T5	−73.1*	<0.0001	−95.35	−50.84
T4–T5	−55.25*	<0.0001	−76.45	−34.05
RR
T1–T2	7.7*	<0.0001	5.25	10.15
T1–T3	9.9*	<0.0001	6.74	13.06
T1–T4	14.65*	<0.0001	11.88	17.42
T1–T5	19.65*	<0.0001	16.16	23.14
T2–T3	2.2*	0.04	0.09	4.31
T2–T4	6.95*	<0.0001	5.09	8.81
T2–T5	11.95*	<0.0001	9.68	14.22
T3–T4	4.75*	<0.0001	3.58	5.92
T3–T5	9.75*	<0.0001	8.43	11.07
T4–T5	5*	<0.0001	3.72	6.28
MAP
T1–T2	2.45	0.99	−9.09	13.99
T1–T3	8.95	0.32	−3.3	21.2
T1–T4	12.05*	<0.0001	4.81	19.29
T1–T5	8.8	0.11	−1.08	18.67
T2–T3	6.5	0.12	−0.87	13.87
T2–T4	9.6	0.08	−0.66	19.86
T2–T5	6.35	0.87	−4.79	17.49
T3–T4	3.1	0.99	−5.81	12.01
T3–T5	−0.15	0.99	−10.8	10.5
T4–T5	−3.25	0.99	−12.98	6.49
RVD sponbreath index
T1–T2	0.09	0.99	−0.57	0.75
T1–T3	−0.3	0.99	−0.61	0.54
T1–T4	0.13	0.99	−0.5	0.76
T1–T5	0.83	0.11	−0.09	1.76
T2–T3	−0.12	0.99	−0.84	0.59
T2–T4	0.04	0.99	−0.64	0.73
T2–T5	0.74	0.44	−0.35	1.82
T3–T4	0.16	0.99	−0.49	0.81
T3–T5	0.86*	0.052	0.006	1.73
T4–T5	0.69	0.43	−0.32	1.72
ROI ratio
T1–T2	0.18*	<0.0001	0.08	0.28
T1–T3	0.32*	<0.0001	0.22	0.43
T1–T4	0.9*	<0.0001	0.79	1.008
T1–T5	0.61*	<0.0001	0.52	0.7
T2–T3	0.15*	<0.0001	0.06	0.24
T2–T4	0.72*	<0.0001	0.57	0.88
T2–T5	0.44*	<0.0001	0.33	0.54
T3–T4	0.58*	<0.0001	0.42	0.73
T3–T5	0.29*	<0.0001	0.19	0.38
T4–T5	−0.29*	<0.0001	−0.38	−0.19

Notes.

Abbreviation

GI Index

Global Homogeneity Index

Cov

Center of ventilation

RVD_sponbreath index

Regional ventilation delay index

ROI ratio

ROI1+ROI2/ROI3+ROI4

P/F ratio

PaO₂/FiO ₂ Ratio

RR

Respiratory rate

MAP

Mean arterial pressure

^*The mean difference is significant at the 0.05 level. Adjustment for multiple comparisons: Bonferro.